The Expendables 3

Barney Ross and his team are sent on another job but first he rescues a member of the team who's been in prison for 8 years. After doing that he heads off to do the job: get an arms dealer named Mins, but when Barney sees the man, he recognizes him as Stonebanks, another team member who went rogue whom Barney thought he took care of. He then mortally wounds one of Barney's men. Barney would then be approached by a man named Drummer who's with the CIA, who tells him, he wants Mins or Stonebanks. Barney decides to sever all ties with his men and recruits 4 young people to help him get Stonebanks. And they get him and are bringing him back when his people attack them and Barney gets away. Stonebanks calls him telling him, if he wants his people back come and get them. Barney's willing to go alone but his old team joins him.